Principal Process Engineer

Company: Assystem
Apply for the Principal Process Engineer
Location: Warrington
Job Description:

Job Description

Principal Process Engineer

Location: WarringtonStaff / Contract: Inside IR35

Project Description

The project requires the following at a high level:

  • Mobilisation of residual solids in legacy effluent management tanks
  • Retrieval of solids from tanks
  • ⚛️ Separation of solids from adhering nuclear inventory
  • Routing of recovered nuclear inventory for onward processing
  • Packaging and routing of residual solids for onward encapsulation (ILW and LLW)

Role Description

  • Produce process engineering deliverables to support the “Appraise and Select” design phase
  • Work within a multi-discipline design team
  • Key deliverables will include:
    • Process description
    • Process schematics
    • ⚠️ Basis of process safety
    • Underpinning calculations

Qualifications

Essential Experience & Qualifications

  • Degree in Chemical Engineering
  • Proactive and driven approach to work
  • Good communication skills
  • Competent report writing skills
  • ⏱️ Comfortable under time and cost constraints

Desirable Experience & Qualifications

  • Chartered Chemical Engineer
  • Experience with Sellafield Ltd procedures
  • ⚛️ Experience in nuclear industry design delivery
  • ⚠️ DESEAR

Additional Information

Due to the nature of work to be undertaken, applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company.

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Posted: April 17th, 2026